package com.sky.service.impl;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.sky.constant.MessageConstant;
import com.sky.context.BaseContext;
import com.sky.dto.*;
import com.sky.entity.*;
import com.sky.exception.AddressBookBusinessException;
import com.sky.exception.OrderBusinessException;
import com.sky.exception.ShoppingCartBusinessException;
import com.sky.mapper.*;
import com.sky.properties.ShopAddressProperties;
import com.sky.result.PageResult;
import com.sky.service.OrderService;
import com.sky.utils.BaiDuMapLocationUtil;
import com.sky.utils.HttpClientUtil;
import com.sky.utils.SearchHttpAK;
import com.sky.utils.WeChatPayUtil;
import com.sky.vo.OrderPaymentVO;
import com.sky.vo.OrderStatisticsVO;
import com.sky.vo.OrderSubmitVO;
import com.sky.vo.OrderVO;
import com.sky.websocket.WebSocketServer;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.math.BigDecimal;
import java.time.LocalDateTime;
import java.util.*;

/**
 * 目标：
 *
 * @author Ashely
 * @date 2024/6/18 9:52
 */
@Service
public class OrderServiceImpl implements OrderService {
    public static String URL = "https://api.map.baidu.com/geocoding/v3?";
    public static String url = "https://api.map.baidu.com/directionlite/v1/driving?";

    public static String AK = "zOZVPQAV0hB2UiQRGcbMuHpOAVmuAo5i";
    @Autowired
    private OrderMapper orderMapper;
    @Autowired
    private ShoppingCartMapper shoppingCartMapper;
    @Autowired
    private AddressBookMapper addressBookMapper;
    @Autowired
    private OrderDetailMapper orderDetailMapper;
    @Autowired
    private UserMapper userMapper;
    @Autowired
    private WeChatPayUtil weChatPayUtil;
    @Autowired
    private ShopAddressProperties shopAddressProperties;
    @Autowired
    private WebSocketServer webSocketServer;
    @Transactional
    @Override
    public OrderSubmitVO submit(OrdersSubmitDTO ordersSubmitDTO) throws Exception {
        //异常情况的处理（收货地址为空、超出配送范围、购物车为空）
        AddressBook addressBook = addressBookMapper.getById(ordersSubmitDTO.getAddressBookId());
        if (addressBook == null) {
            throw new AddressBookBusinessException(MessageConstant.ADDRESS_BOOK_IS_NULL);
        }
        String address=addressBook.getProvinceName()+addressBook.getCityName()+addressBook.getDistrictName()+addressBook.getDetail();

        Map params = new LinkedHashMap<String, String>();
        params.put("address",shopAddressProperties.getAddress());
        params.put("output", "json");
        params.put("ak",AK);
        String response = HttpClientUtil.doGet(URL, params);

        JSONObject jsonObject = JSON.parseObject(response);
        if(!jsonObject.getString("status").equals("0")){
            throw new OrderBusinessException("店铺地址解析失败");
        }
        String olng = jsonObject.getJSONObject("result").getJSONObject("location").getString("lng");
        String olat = jsonObject.getJSONObject("result").getJSONObject("location").getString("lat");
        String orign = olat +"," +olng;

        params.put("address",address);
        String result= HttpClientUtil.doGet(URL, params);

        JSONObject json = JSON.parseObject(result);
        if(!jsonObject.getString("status").equals("0")){
            throw new OrderBusinessException("收货地址解析失败");
        }
        String dlng = json.getJSONObject("result").getJSONObject("location").getString("lng");
        String dlat = json.getJSONObject("result").getJSONObject("location").getString("lat");
        String destination = dlat+","+dlng;


        params.put("origin",orign);
        params.put("destination",destination);
        String re = HttpClientUtil.doGet(url, params);

        JSONObject js = JSON.parseObject(re);
        if(!jsonObject.getString("status").equals("0")){
            throw new OrderBusinessException("配送路线规划失败");
        }
        JSONArray o = (JSONArray)(js.getJSONObject("result").get("routes"));
      Integer distance =  (Integer)((JSONObject)o.get(0)).get("distance");

        if (distance > 5000) {
            throw new OrderBusinessException("超出配送范围");
        }
        Long userId = BaseContext.getCurrentId();
        ShoppingCart shoppingCart = new ShoppingCart();
        shoppingCart.setUserId(userId);

        //查询当前用户的购物车数据
        List<ShoppingCart> shoppingCartList = shoppingCartMapper.list(shoppingCart);
        if (shoppingCartList == null || shoppingCartList.size() == 0) {
            throw new ShoppingCartBusinessException(MessageConstant.SHOPPING_CART_IS_NULL);
        }

        //构造订单数据
        Orders order = new Orders();
        BeanUtils.copyProperties(ordersSubmitDTO,order);
        order.setPhone(addressBook.getPhone());
        order.setAddress(addressBook.getDetail());
        order.setConsignee(addressBook.getConsignee());
        order.setNumber(String.valueOf(System.currentTimeMillis()));
        order.setUserId(userId);
        order.setStatus(Orders.PENDING_PAYMENT);
        order.setPayStatus(Orders.UN_PAID);
        order.setOrderTime(LocalDateTime.now());

        //向订单表插入1条数据
        orderMapper.insert(order);

        //订单明细数据
        List<OrderDetail> orderDetailList = new ArrayList<>();
        for (ShoppingCart cart : shoppingCartList) {
            OrderDetail orderDetail = new OrderDetail();
            BeanUtils.copyProperties(cart, orderDetail);
            orderDetail.setOrderId(order.getId());
            orderDetailList.add(orderDetail);
        }

        //向明细表插入n条数据
        orderDetailMapper.insertBatch(orderDetailList);

        //清理购物车中的数据
        shoppingCartMapper.clean(userId);

        //封装返回结果
        OrderSubmitVO orderSubmitVO = OrderSubmitVO.builder()
                .id(order.getId())
                .orderNumber(order.getNumber())
                .orderAmount(order.getAmount())
                .orderTime(order.getOrderTime())
                .build();

        return orderSubmitVO;

    }

    @Override
    public OrderPaymentVO payment(OrdersPaymentDTO ordersPaymentDTO) throws Exception {
        //模拟支付成功
        OrderPaymentVO vo = OrderPaymentVO.builder().paySign("1").signType("2").packageStr("3").nonceStr("4").timeStamp("5").build();
        Orders ordersDB = orderMapper.getByNumber(ordersPaymentDTO.getOrderNumber(),BaseContext.getCurrentId());
        Orders orders = Orders.builder()
                .id(ordersDB.getId())
                .status(Orders.TO_BE_CONFIRMED)
                .payStatus(Orders.PAID)
                .checkoutTime(LocalDateTime.now())
                .build();

        orderMapper.update(orders);
        Map map = new HashMap();
        map.put("type", 1);//消息类型，1表示来单提醒
        map.put("orderId", orders.getId());
        map.put("content", "订单号：" + ordersPaymentDTO.getOrderNumber());

        //通过WebSocket实现来单提醒，向客户端浏览器推送消息
        webSocketServer.sendToAllClient(JSON.toJSONString(map));//
//        // 当前登录用户id
//        Long userId = BaseContext.getCurrentId();
//        User user = userMapper.getById(userId);
//
//        //调用微信支付接口，生成预支付交易单
//        JSONObject jsonObject = weChatPayUtil.pay(
//                ordersPaymentDTO.getOrderNumber(), //商户订单号
//                new BigDecimal(0.01), //支付金额，单位 元
//                "苍穹外卖订单", //商品描述
//                user.getOpenid() //微信用户的openid
//        );
//
//        if (jsonObject.getString("code") != null && jsonObject.getString("code").equals("ORDERPAID")) {
//            throw new OrderBusinessException("该订单已支付");
//        }
//
//        OrderPaymentVO vo = jsonObject.toJavaObject(OrderPaymentVO.class);
//        vo.setPackageStr(jsonObject.getString("package"));

        return vo;
    }

    @Override
    public void paySuccess(String outTradeNo) {
        Long userId = BaseContext.getCurrentId();
        Orders ordersDB = orderMapper.getByNumber(outTradeNo,userId);

        // 根据订单id更新订单的状态、支付方式、支付状态、结账时间
        Orders orders = Orders.builder()
                .id(ordersDB.getId())
                .status(Orders.TO_BE_CONFIRMED)
                .payStatus(Orders.PAID)
                .checkoutTime(LocalDateTime.now())
                .build();

        orderMapper.update(orders);
        Map map = new HashMap();
        map.put("type", 1);//消息类型，1表示来单提醒
        map.put("orderId", orders.getId());
        map.put("content", "订单号：" + outTradeNo);

        //通过WebSocket实现来单提醒，向客户端浏览器推送消息
        webSocketServer.sendToAllClient(JSON.toJSONString(map));
    }

    @Override
    public PageResult historyOrders(OrdersPageQueryDTO ordersPageQueryDTO) {
        PageHelper.startPage(ordersPageQueryDTO.getPage(), ordersPageQueryDTO.getPageSize());
        ordersPageQueryDTO.setUserId(BaseContext.getCurrentId());
      Page<OrderVO> p = orderMapper.page(ordersPageQueryDTO);
        if (p != null && p.getTotal() > 0) {
            for (OrderVO orderVO : p) {
                Long orderId = orderVO.getId();
                List<OrderDetail> orderDetailList = orderDetailMapper.getByOrderId(orderId);
                orderVO.setOrderDetailList(orderDetailList);
            }
        }
        return new PageResult(p.getTotal(), p.getResult());
    }

    @Override
    public OrderVO getById(Long id) {
      OrderVO orderVO =  orderMapper.getById(id);
       List<OrderDetail> orderDetailList = orderDetailMapper.getByOrderId(id);
       if(orderDetailList != null && orderDetailList.size() > 0){
           orderVO.setOrderDetailList(orderDetailList);
       }
       return orderVO;
    }

    @Override
    public void cancel(Long id) {
        Orders orders = orderMapper.getById(id);

        // 校验订单是否存在
        if (orders == null) {
            throw new OrderBusinessException(MessageConstant.ORDER_NOT_FOUND);
        }
        if (orders.getStatus() > 2) {
            throw new OrderBusinessException(MessageConstant.ORDER_STATUS_ERROR);
        }
        orders.setStatus(Orders.CANCELLED);
        orders.setCancelReason("用户取消");
        orders.setCancelTime(LocalDateTime.now());
        orderMapper.update(orders);

    }

    @Override
    public void repetition(Long id) {
        List<OrderDetail> orderDetailList = orderDetailMapper.getByOrderId(id);
        List<ShoppingCart> shoppingCartList = new ArrayList<>();
        if (orderDetailList != null && orderDetailList.size() > 0){
            for (OrderDetail orderDetail : orderDetailList) {
                ShoppingCart shoppingCart = new ShoppingCart();
                BeanUtils.copyProperties(orderDetail,shoppingCart,"id");
                shoppingCart.setUserId(BaseContext.getCurrentId());
                shoppingCart.setCreateTime(LocalDateTime.now());
                shoppingCartList.add(shoppingCart);
            }
        }
        shoppingCartMapper.insertBatch(shoppingCartList);


    }

    @Override
    public PageResult conditionSearch(OrdersPageQueryDTO ordersPageQueryDTO) {
        PageHelper.startPage(ordersPageQueryDTO.getPage(), ordersPageQueryDTO.getPageSize());
        Page<OrderVO> p = orderMapper.page(ordersPageQueryDTO);

        if (p != null && p.getTotal() > 0) {
            for (OrderVO orderVO : p) {
                Long orderId = orderVO.getId();
                List<OrderDetail> orderDetailList = orderDetailMapper.getByOrderId(orderId);
                String name ="";
                for (OrderDetail orderDetail : orderDetailList) {
                     name += orderDetail.getName()+"*"+orderDetail.getNumber()+";";
                }
                orderVO.setOrderDishes(name);
            }
        }

        return new PageResult(p.getTotal(), p.getResult());
    }

    @Override
    public OrderStatisticsVO statistics() {
    Integer toBeConfirmed =  orderMapper.countStatus(Orders.TO_BE_CONFIRMED);
    Integer confirmed = orderMapper.countStatus(Orders.CONFIRMED);
    Integer deliveryInProgress = orderMapper.countStatus(Orders.DELIVERY_IN_PROGRESS);
        OrderStatisticsVO orderStatisticsVO = new OrderStatisticsVO();
        orderStatisticsVO.setToBeConfirmed(toBeConfirmed);
        orderStatisticsVO.setConfirmed(confirmed);
        orderStatisticsVO.setDeliveryInProgress(deliveryInProgress);
        return orderStatisticsVO;

    }

    @Override
    public void confirm(OrdersConfirmDTO ordersConfirmDTO) {
        Orders orders = new Orders();
        BeanUtils.copyProperties(ordersConfirmDTO,orders);
        orders.setStatus(Orders.CONFIRMED);
        orderMapper.update(orders);
    }

    @Override
    public void rejection(OrdersRejectionDTO ordersRejectionDTO) {
        Orders ordersDB =orderMapper.getById(ordersRejectionDTO.getId());
        if (ordersDB == null || !ordersDB.getStatus().equals(Orders.TO_BE_CONFIRMED)) {
            throw new OrderBusinessException(MessageConstant.ORDER_STATUS_ERROR);
        }
        Orders orders = new Orders();
        orders.setId(ordersRejectionDTO.getId());
        orders.setRejectionReason(ordersRejectionDTO.getRejectionReason());
        orders.setStatus(Orders.CANCELLED);
        orders.setCancelTime(LocalDateTime.now());
        orderMapper.update(orders);
    }

    @Override
    public void adminCancel(OrdersCancelDTO ordersCancelDTO) {
        Orders orders = new Orders();
        BeanUtils.copyProperties(ordersCancelDTO,orders);
        orders.setStatus(Orders.CANCELLED);
        orders.setCancelTime(LocalDateTime.now());
        orderMapper.update(orders);
    }

    @Override
    public void delivery(Long id) {
      Orders ordersDB =  orderMapper.getById(id);
        if (ordersDB == null || !ordersDB.getStatus().equals(Orders.CONFIRMED)) {
            throw new OrderBusinessException(MessageConstant.ORDER_STATUS_ERROR);
        }
        Orders orders = Orders.builder().id(id).status(Orders.DELIVERY_IN_PROGRESS).build();
        orderMapper.update(orders);
    }

    @Override
    public void complete(Long id) {
        Orders ordersDB = orderMapper.getById(id);

        // 校验订单是否存在，并且状态为4
        if (ordersDB == null || !ordersDB.getStatus().equals(Orders.DELIVERY_IN_PROGRESS)) {
            throw new OrderBusinessException(MessageConstant.ORDER_STATUS_ERROR);
        }
        Orders orders = Orders.builder().id(id).status(Orders.COMPLETED).deliveryTime(LocalDateTime.now()).build();
        orderMapper.update(orders);
    }

    @Override
    public void reminder(Long id) {
        // 查询订单是否存在
        Orders orders = orderMapper.getById(id);
        if (orders == null) {
            throw new OrderBusinessException(MessageConstant.ORDER_NOT_FOUND);
        }

        //基于WebSocket实现催单
        Map map = new HashMap();
        map.put("type", 2);//2代表用户催单
        map.put("orderId", id);
        map.put("content", "订单号：" + orders.getNumber());
        webSocketServer.sendToAllClient(JSON.toJSONString(map));

    }

}
